propagate function

Map<String, dynamic>? propagate(
  1. Map<String, dynamic> satrec,
  2. DateTime date
)

Implementation

Map<String, dynamic>? propagate(Map<String, dynamic> satrec, DateTime date) {
  // Return a position and velocity vector for a given date and time.
  final j = jday(date) ?? 0;
  final m = (j - satrec['jdsatepoch']) * minutesPerDay;
  return sgp4(satrec, m);
}